Responsible for APP business testing, including but not limited to functional testing, interface testing, compatibility testing, weak network testing, and security testing, requiring full-link coverage of B-end, server-side, and APP-end. Familiar with the requirements of the products being tested, participate in requirement reviews, identify and point out unreasonable points in the requirements, and follow up on solutions in a timely manner. Complete test plan formulation, test case writing, test execution, bug tracking, and progress tracking for the functions being tested. Summarize experience, maintain test documents, write test reports, complete the writing and analysis of test summaries, and improve product quality. Actively identify and promote the resolution of risks existing in the project, proactively collect user feedback issues, analyze the causes, and promote solutions.